CBOE said average daily volume fell 2.6% to 4.8 million contracts during the quarter. Total trading volume declined 4.1%.

The company raised its dividend to 21 cents a share from 17 cents a share during the quarter, bringing the yield to 1.7% based on CBOE's closing price Thursday. Meanwhile, the company's board also boosted its share-buyback program by $100 million. The company said it has bought back $230.3 million in shares since it began the repurchase plan in 2011.

The Chicago Board Options Exchange owner, the biggest U.S. options exchange in terms of trading volume, posted a profit of $42.6 million, or 50 cents a share, down from $45.5 million, or 52 cents a share, a year earlier. Excluding stock-based compensation and other items, the year-ago earnings were 54 cents a share

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